"...HOW SHALL WE THOSE REQUITE,

 WHO WISH US EVIL, IF WE THUS CONDEMN THE MAN THAT LOVES US?"

  - DANTE BEHOLDS A VISION OF PATIENCE ON THE THIRD CORNICE OF PURGATORY, WHERE THE SIN OF ANGER IS PURGED.  PURGATORIO 15, 101-103

FROM 'THE DIVINE COMEDY' BY DANTE ALIGHIERI, c.1321, TRANSLATION BY H.F. CARY